IRIS-G5624A
Block Diagram
Vin
4
START O.V.P LATCH
REG.
T.S.D
DRIVE
Vth1
-
+
ERROR AMP
O.S.C
Vth2
-
+
1D
2S
5 O.C.P/F.B
3 GND
Lead Assignments
IRIS
D
S
GND
Vin
OCP/FB
Pin No.
1
2
3
4
5
Symbol
D
S
GND
Vin
Descri pti on
Drain Pin
Source Pin
Ground Pin
Power supply Pin
OCP/FB Overcurrent / Feedback Pin
Function
MOSFET drain
MOSFET source
Ground
Input of power supply for control circuit
Input of overcurrent detection
signal / constant voltage control signal
Other Functions
O.V.P. – Overvoltage Protection Circuit
T.S.D. – Thermal Shutdown Circuit
SD – Step drive circuit
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